Also known as killer whales, orcas can weigh 6 to 8 tons and grow over 25 feet long.Despite their large size, orcas are very ...

Given this designation, it's easy to imagine that a pack consists of young adults and older animals in a strict ranking system. You can imagine that relatives, newcomers and challengers are all ...

But a dinosaur fossil deposit in Alberta is revealing an even scarier picture: this huge and fearsome animal probably hunted in packs. “It would have been a horrifying sight,” says Philip ...

PORTLAND, Ore.— Oregon’s wolf population increased by 21 confirmed animals from 137 to 158 wolves in 2019, according to a report released today by the state’s Department of Fish and Wildlife. The ...